Emergency department utilization in patients with hypertrophic cardiomyopathy: a nationwide population-based study

You-Jung Choi1, Bongseong Kim2, Hyun-Jung Lee1

  • 1Cardiac Diagnostic Test Unit, Section of Cardiovascular Imaging, Division of Cardiology, Cardiovascular Center, Department of Internal Medicine, Seoul National University Hospital, 101 Daehak-ro, Jongno-gu, Seoul, 03080, Korea.

Scientific Reports
|March 4, 2022
PubMed

Insights

Hypertrophic cardiomyopathy (HCM) patients frequently visit emergency departments (EDs), primarily for cardiovascular issues. These ED visits are linked to increased hospitalizations and mortality within 90 days.

Area of Science:

  • Cardiology
  • Public Health
  • Health Services Research

Background:

  • Hypertrophic cardiomyopathy (HCM) poses a growing healthcare challenge.
  • Limited data exists on emergency department (ED) utilization patterns for HCM patients.

Purpose of the Study:

  • To investigate the characteristics and outcomes of emergency department (ED) utilization among a nationwide cohort of hypertrophic cardiomyopathy (HCM) patients.
  • To identify the primary reasons for ED visits and associated clinical outcomes.

Main Methods:

  • A nationwide population-based study utilizing data from the National Health Insurance Service database (2015-2016).
  • Inclusion of 14,542 patients diagnosed with hypertrophic cardiomyopathy (HCM).
  • Analysis of ED utilization, primary discharge diagnoses, hospitalizations, and all-cause mortality within 90 days post-ED visit.

Main Results:

  • 22.1% of HCM patients utilized ED services within one year.
  • Cardiovascular diseases were the most frequent reason for ED visits (41.5%).
  • HCM patients visiting the ED experienced higher rates of hospitalization (37.2%) and 90-day all-cause mortality (7.2%).
  • ED visits for cardiovascular disease significantly increased the risk of 90-day all-cause mortality (aOR, 2.72).

Conclusions:

  • Emergency department utilization is substantial among hypertrophic cardiomyopathy patients.
  • Cardiovascular conditions are the leading cause of ED visits in this population.
  • ED visits are associated with significant morbidity and mortality, highlighting the need for improved management strategies and healthcare policies for HCM.

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